DELTA 1 R/B

Satellite information

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Satellite Type and Status

ROCKET BODYIN ORBIT

Key statistics

Satellite DELTA 1 R/B at a glance.

Uptime

17351

Days in orbit

Revolutions

≈ 13.9

Per day

Orbit

SSO

Sun Synchronous Orbit

Inclination

98.8

Latest

Satellite identification and parameters

Extended collection of information and parameters for DELTA 1 R/B.

Object identification

Identified? True

Debris? False

Object name: DELTA 1 R/B

International designator: 1978-026C

Object number (NORAD): 10704

Object ID (CCSDS): 10704

Country: UNITED STATES OF AMERICA (US)

Current information (Y/N): Y

RCS size: LARGE

Orbital parameters

Period: 103.731 minutes

Inclination: 98.8315 deg

SMA: 7313.055 km

Apoapsis: 988.04 km

Periapsis: 881.799 km

RAAN: 109.4222 deg

Eccentricy: 0.00726379

Argument of periapsis: 355.102 deg

Mean anomaly: 4.942 deg

Mean motion: 13.88207958 rev/day

Mean motion (dot): 0.00000064 rev/day²

B* drag term: 0.000086492954 1/R_Earth

Two-line elements (TLE)

Creation date: Sept. 4, 2025, 10:13 a.m.

Reference frame: TEME

Reference center: EARTH

Epoch: Sept. 4, 2025, 3:58 a.m. UTC

TLE line 0: 0 DELTA 1 R/B

TLE line 1: 1 10704U 78026C 25247.16550734 .00000064 00000-0 86493-4 0 9990

TLE line 2: 2 10704 98.8315 109.4222 0072638 355.1020 4.9420 13.88207958257891

Live tracking on map

Real-time ground track for satellite DELTA 1 R/B.

In-orbit conjunctions

A list of the most updated potential collisions computed for object DELTA 1 R/B.

Target	Orbit	TCA	Probability of collision	Miss distance	Type
COSMOS 1932 FUEL CORE	LEO	2024-12-29 05:26:17	0.000315295	117.0 (m)	PAYLOAD
FENGYUN 1C DEB	SSO	2024-11-09 02:25:12	0.0001517225	149.0 (m)	DEBRIS
COSMOS 1275 DEB	LEO	2024-08-13 11:46:03	0.001146959	48.0 (m)	DEBRIS
FENGYUN 1C DEB	SSO	2024-07-07 07:10:22	0.0002091142	261.0 (m)	DEBRIS

Associated space launch

Earth observation satellite

DELTA 1 R/B was lifted into orbit during the mission ‘Delta 2910 | Landsat 3’, on board a Delta 2910 space rocket.

The launch took place on March 5, 1978, 5:54 p.m. from Space Launch Complex 2W.

For more information about the launch, click the button.

Delta 2910 | Landsat 3

Agency: N/A

Status: Launch Successful

Launch date: March 5, 1978, 5:54 p.m. UTC

Rocket: Delta 2910

Launch pad: Space Launch Complex 2W

Location: Vandenberg SFB, CA, USA

...

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